package common;

/**
 * @author zhangjunfei
 * @date 2023/7/18 15:40
 */
public class ListNode {
    public int val;
    public ListNode next;

    public ListNode(int x) {
        val = x;
    }
    public ListNode() {
    }
    public ListNode(int val, ListNode next) { this.val = val; this.next = next; }

}
